[libvirt] New feature discussion: Grouping multiple libvirt's in a "pool"

[Daniel P. Berrange]

On Wed, Jan 08, 2014 at 10:29:23AM +0200, Ahmed Ossama wrote:
> Greetings All,
> 
> I would like to say "Hi" to everyone on the list since this is my
> first message.
> 
> I have couple of servers running CentOS and Debian with kvm and
> libvirt on top. Lately I've been thinking of coordinating them
> together in a pool like XenServer groups servers in a "Pool".
> 
> I am totally aware that this feature can be achieved by installing
> OpenStack or any similar orchestrator on top of libvirt. But I would
> like to achieve this feature using libvirt alone as I don't want to
> install any stuff above libvirt.
> 
> I was also thinking if each libvirt on every server is aware of
> other resources (Domains, Storage and Network), this could provide
> better support and view to any higher orchestrator utilizing
> libvirt.
> 
> So I am wondering if such feature was discussed previously? And
> would like to hear thoughts or concerns about it.

This is explicitly out of scope for libvirt. There are so many different
ways to do multi-host co-ordination that we don't want this in libvirt
itself. It is left upto applications building on libvirt to innovate in
this space. So if you want this you need to installer a higher level app.


Daniel
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